Merge branch 'dev' into tmp-code

.gitlab-ci.yml

CHANGELOG.md

README.md

misc/revision_test_data.py

misc/yaml_to_json.py

src/core/css/webcaosdb.css

src/core/js/caosdb.js

src/core/js/edit_mode.js

src/core/js/ext_bottom_line.js

src/core/js/ext_jupyterdrag.js

src/core/js/ext_revisions.js

src/core/js/ext_xls_download.js

src/core/js/form_elements.js

src/core/js/webcaosdb.js

src/core/xsl/entity.xsl

src/core/xsl/main.xsl

src/core/xsl/messages.xsl

src/doc/administration/comments.rst

src/doc/administration/index.rst

src/doc/administration/static-snapshots.md